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Product Specifications:
| Item | Split Lock Washer |
| Class | Not Applicable |
| Color | Silver |
| Dimensional Standards | DIN 127 B |
| Finish | Plain |
| Fits Bolt Sizes | M12 |
| For Screw Size | M12 |
| Grade | Grade A2 |
| Inside Dia. | 12.2 mm |
| Inside Dia. Tolerance | +0.5 mm , 0.5 mm |
| Lock Washer Type | Split Lock |
| Made In North America | No |
| Material | Stainless Steel |
| Material Grade/class | 18-8 |
| Maximum Temperature | 302°F |
| Maximum Thickness | 2.65 mm |
| Minimum Temperature | -58°F |
| Minimum Thickness | 2.35 Mm |
| Outside Dia. | 21.1 mm |
| Reach Compliant | Yes |
| Removable | Yes |
| Resistance Properties | Corrosion Resistant |
| Rohs Compliant | Yes |
| System Of Measurement | Metric |
| Thickness | 2.5 mm |
| Thickness Tolerance | -0.15 mm to +0.15 mm |
| Type | Split Lock |
Shipping Info:
| Ship weight (kg) | 0.1 |
| Ship height (cm) | 1.27 |
| Ship length (cm) | 16.99 |
| Ship width (cm) | 16.38 |
| HS code | 7318210090 |
| Country of Origin | TW |
Product Variants
| Product | Model | Fits Bolt Sizes | Inside Dia. | Outside Dia. | Hardness | Thickness | Thickness Tolerance | For Screw Size | Class | Pkg. Qty. | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
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M51390.030.0001 | M3 | 3.1 mm | 5.6 mm | Rockwell C40-C50 | 1 mm | - | M3 | Not Applicable | 50 | €3.38 | |
![]() |
M51390.040.0001 | M4 | 4.1 mm | 7 mm | Rockwell C40-C50 | 1.2 mm | - | M4 | Not Applicable | 50 | €3.04 | |
![]() |
M51390.050.0001 | M5 | 5.1 mm | 8.8 mm | Rockwell C40-C50 | 1.6 mm | - | M5 | Not Applicable | 50 | €5.12 | |
![]() |
M51390.060.0001 | M6 | 6.1 mm | 9.9 mm | Rockwell C40-C50 | 1.6 mm | - | M6 | Not Applicable | 50 | €3.86 | |
![]() |
M51390.080.0001 | M8 | 8.1 mm | 12.7 mm | Rockwell C40-C50 | 2 mm | - | M8 | Not Applicable | 50 | €4.85 | |
![]() |
M51390.100.0001 | M10 | 10.2 mm | 16 mm | Rockwell C40-C50 | 2.5 mm | - | M10 | Not Applicable | 50 | €6.79 | |
![]() |
M51450.020.0001 | M2 | 2.1 mm | 4.4 mm | Rockwell C38-C46 | 0.5 mm | - | M2 | Not Applicable | 50 | €3.13 |
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APPROVED VENDOR M51450.120.0001 Split Lock Washer, M12 Fits Bolt Size, 21.1 mm O.D., 2.5 mm Thk.
€8.90 /pack







